Transaction not yet indexed

Sx477cnoLKuW4GvsqcY9WRWcotarEAkY7gqr4eZQp3eqqSrYDSKbueYoikMABp8VKn8TfeMTSjj5huxJRP4utnN

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.